Letharia poeppigii (Nees & Flotow) Darb. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Lecanorales family Parmeliaceae genus Protousnea species Protousnea poeppigii Name Homonyms Letharia poeppigii (Nees & Flotow) Darb.